Why does my sprinkler system keep running even when the controller is off?

Even when the controller turns off, it still runs indefinitely. The problem is most likely located in one of the solenoid valves. These valves are usually located in an underground access box outside in the yard. Before you call your irrigation service provider, you might want to take a look inside the access box.

Where is the solenoid on my irrigation system?

It’s possible your valves have been opened manually. You’ll need to locate your valve box (es) and turn the solenoid (s) clockwise until snug. The solenoid is located on the top of the valve and looks like a cylinder with two wires protruding out of it.

How to troubleshoot a bad sprinkler solenoid fuse?

A how to video on troubleshooting sprinkler Solenoid. You will first notice a bad solenoid problem once the fuse blows or the lawn isn’t getting watered. Equipment needed for this is a Digital Multimeter Category Howto & Style Show moreShow less Loading… Advertisement

What should I do if my sprinkler head keeps running?

If this is the cause, using sprinkler heads containing check valves, which hold the water in the pipe when the sprinklers are off, will fix the problem. If the water does not stop after a few minutes, the problem is likely a leaky valve. Cleaning the valve should fix the leak.

Can a bad solenoid cause a sprinkler to keep running?

But when the solenoid is bad, you can get some weird sprinkler problems. If you have this problem, it’s very likely the solenoid. A problem with the plunger can prevent the solenoid from closing the valve when it’s time. That means your sprinklers will keep running after they’re supposed to stop.

It’s possible your valves have been opened manually. You’ll need to locate your valve box (es) and turn the solenoid (s) clockwise until snug. The solenoid is located on the top of the valve and looks like a cylinder with two wires protruding out of it.

Why does my sprinkler system keep running after I Turn Off the water?

There are two reasons why your sprinklers would continue running: It’s possible your valves have been opened manually. You’ll need to locate your valve box (es) and turn the solenoid (s) clockwise until snug.

If this is the cause, using sprinkler heads containing check valves, which hold the water in the pipe when the sprinklers are off, will fix the problem. If the water does not stop after a few minutes, the problem is likely a leaky valve. Cleaning the valve should fix the leak.